"puis-je entrer ?" (very formal)
"je peux entrer ?" (casual)
Enter here in French is entrer ici.
Entrer That is wrong. I think I was taught to say enter as in... Entrez not that.
ne pas entrer
If you are invited, you can. However if she or her parents say you may not enter, then you may not enter.
You can Say 7th Of May in French As "7 mai"
N'entrez pas veuillez
You say it exactly the same, but spell it as 'Mai'
To say "May I speak with" in French, you can say "Puis-je parler avec."
to enter is 'entrer' in French.
Mai
peut-etre
Mai